Centrifugal machine.



PATENTED JUNE 4, 1907.

T. H. MILLER. V 'GENTRIFUGAL MACHINE.

APPLICATION FILED MAR. 6, 1905.

2 SHEETS-SHEET 1i No. 855,718. PATENTED JUNE 4, 1907, T. H. MILLER.

OENTRIFUGAL MACHINE. APPLIOATIONIILED MAR. 6,1905.

2 SHEETS-SHEET 2.

lllll THEODORE H. MILLER, or PoUeHKE rsiE, NEW YORK.-

To all whom, it 1 Be it known that I, THEODORE a citizen of, the United States, Poughkee sie, Dutchess county,

New Yor have CENTRIFUGAL MACHINE.

Specification of Letters Patent.

' Patented June 4,1907.

Application filed March 6, 1905. Serial No. 248,407.

nay concern:

H. MILLER, residing at State of invented certain new and useful Improvements in Centrifugal Machines for eparating Solids from Liquids, of which the following, the accompanying taken in connection with drawings, is a full, clear,

and exact specification, sufficient to enable others skilled in the art to practice and use my invention.

The principal object of my present invention is to provide or produce a simple, cheap and efficient machine or apparatus for accomplishing the thorough and economical separation of solids'from liquids through the aid of centrifugal force or action.

Subordinate objects are to make the machine of few and simple arts easy to be constructed and assembled or use, light and easy easy running and economical of power required for its operation.

To accomplish these objects and to secure other and further advantages in the matters of construction, operation and use, my improvements involve certain new and useful constructions, arrangements or combinations of parts, and principles of operation, all of which will be herein first fully described and then pointed out in the claims. V

In the accompan part of this s form of mac and arranged with my provements,

this

ing drawings forming ecification, I have shown one or apparatus constructed for operation in accordance invention and involving my imform embodying the use of two revolving cylinders and serving to illustrate the principles of Figure 1 is a view in my invention. plan or elevation, portions being shown in section. Fig. 2 is an end elevation on a plane through line 2-2 of Fig. 1 -of one of the cylinders showing the interrupted or divided spiral conveyer mountcd therein. Fi

3 is an end elevation corresponding with igl 1 and on planes through line 3-3 thereof but omitting the supports for the machine Fig. 4 is a view tion on planes through showing cylinders and and the spiral conveyor.

in elevation and partial secthe bearings for the the frame by which they are carried but omitting the spiral conveyer, the view being taken on planes through line 4-4 of Fig. 1.

In all these figures like letters of refercipa 'frame and the ence, wherever they occur, indicate corresponding arts.

, It shou d be understood at the outset that the vessels into which the solids and liquids are fed to betherein separated one from the other may be of any number, whether one,

two, three or more, but when one is employed it should be balanced on the opposite side of the main axis of rotation of the machine, which may be accomplished by use of any suitable counterweight, and when two, three or more are applied they should be arranged around this general axis of rotation in such manner as to preserve the desired balancing.

A and B represent two cylinders of suffi axis of revolution. Any form of bearing for frame may be adopted, but the preferred form is thatknown as a ball bearing. such bearings the balls are represented at a, a, in Figs. 1 and 4. This form of bearing is suppliednear each end of the cylinders or vessels. /3 1 D is the main shaft through which the arts connected therewith are rotated throug power applied to the shaft by any suitable connection therewith. This shaft is secured in the frame 'in any'preferred way, as by shrinking the latter on the end withinit, or otherwise ,so that the union is perfectly made. Each cylinder, or-vesselis provided with a gear, as E, F, by which it may berotated'in its bearings within'the frame, and these gears mesh with a central inion, G, of which'the axis preferably coincides with ,that of the main shaft. As shown in Fig. ,1, pinion G is formed inte-' grally with an elongated neck, H, within which themain shaft D turns as in a bearing, the neck taking the form'of a loose sleeve on the shaft. This sleeve is itself sustained in a suitable bearing indicated at'I, and power is to be a plied to the lprojecting en sleeve 1? to accomplis the desired rotation of the cyinder or cylinders or their equivalent vessels through the medium-of the pin ion.

On the other end of the frame C a second C, with which they,

the vessels within the.

of the :peed as IIO " the same frame is shown as applied and secured in place, as by bolts and nuts I), 5, but it might s t e other and afiixed to the ing composed of sections as char the shaft ormain axis of revolution.

e made integrally with the first named frame or otherwise so as to revolve therewith. This secondframe or extension, represented at K, carries the feeding tubes, one or more, one for each vessel employed, and these are represented at L and M. They discharge into the, otherwise open ends or near to the open ends of the cylinders, themate rials being fed into them b use of any suitable apparatus and throug the axial opening, 0, which is common to all the feeding tubes employed. The neck common to all the feeding tubes and containing the axial opening is sustained in a suitable bearing, represented at N.

' As thus far described it will be understood that when the main shaft D of the machine is rotated, the cylinders or vessels sustained in. the frame and their respective feeding,

tubes will be revolved around the main axis 'of'the machine which is coincident with the 'axis'of the shaft D. 4

Within each cylinder or vessel I employ a irallconveyer extending from one end to v walls of the c linder or vessel in any substantial way, as y screws, Z, d. This spiral conveyer, as shown, is not continuous but is broken or interrupted at certain points, preferably at about four points in each winding, substantially as indicated in Figs. 1 and 2, the conveyer itself be- O, 0, an uninterrupted s ace being left between the adjacent ends of t e various sections. The conve er, instead of being com osed of sections mlght be erforated or note ed;

the material is fed into the revolving vessel, the heavier particles are by centrifugal f'orce thrown against the inner walls of the vessel and the water or other liquid which is mixed with the heavier particles or solids naturally occupies either a position nearer the axis of thevessel, or it may percolate between the particles. The rotation of the vessel and its spiral conveyer on the axis of the the end of the vessel opposite the feeding tube, and the liquid being also operated upon by centrifugal force finds escape from the action of the conveyer by '0 em'n s between or in t e various sections t ereo or'over the sections and will be dised at ,the openend of the vessel nearest eedingtube and farthest from the main -"In separating machines heretofore pro- .posed', a s iral conveyer has been suggested,

eing rotated independently vessel within which was to be situated. Obviously the power employed to rotate the spiral conveyer. in such forms can on] be utilized in forcing the material towar the continuous, and the liquid vessel itself, I

forces the solid material toward and out of inclined with respect assingthrough the of thesemis discharge orifice and impedes rather than facilitates the desirable separating action.

The feeding tubes extend within the vessels a sufiicient. distance so that the s iral conveyer will act upon the solid materia before any of it can be washed out with the li uid.

The operation of the machine is or may be discharged at one endand the solid material at the other may be caught and conveyed away by any suitable appliance, if necessar The main axis of the machine may lie in a horizontal plane, or it ma be vertical, or inclined, as may be preferre The improved machine is intended to be employed for the separation of liquids and SOlldS of'any character, and is intended to deliver the solids free from all water or liquid that can be separated therefrom by centrifugal action.

Being constructed and arranged for operation substantially in accordance with the foregoin explanations, the improved machine w' be found to admirably answer all the purposes OI ObJGClZS of the invention hereinbefore alluded to.

Having now fully described my invention, what I claim as new herein and desire to secureby Letters Patent, is

In a machine for separating solids from li uids, the combination with a vessel in w ich the separation is to take place, the

wall of the same being imperforate, of a feedsng tubeprojecting into the li end of the vessel which is fart uid discharge est from the main axis of the machine, the vessel and feeding tube being arranged to revolve together around the saidmain axis,-substantially as and for the purposes set forth.

2. In a machine for separating solids from liquids, the combination with a vessel in w ich the separation is to -'be effected, the wall of the same being imperforate, of a feeding tube projecting into the liquid discharge. end of the vessel and arranged to revolve together with the vessel around the main axis of. the machine, thejaxis of the essel being to the main axis of the machine and the vessel ha va discharge 0 enlnf at each end; substantially as ex- .palne. I

3. In a machine for separating solids from liquids, the combination with. a vessel in which the separation is to take place, the wall of the same being imperforate, of a feedlng tube projecting into the li uid discharge end of the vesesl which is fart est from the a main axis of the machine, the vessel and tube bell 1g arranged'to revolve together around the said mam axis of the machine and the"- vessel arran ed to be rotated also around its OWnjiXlS, su stantially as explained. I Y

amachine for separating solids from liquids, the combination with a vessel in which the separation is to take place, the wall of the same being imperforate, of a feed ing tube projecting into the liquid discharge end of the vessel, the vessel and tube being arranged to rev lve together around the main axis of the machine and the vessel having a discharge opening'at-each end and arranged to be rotated also around its own axis, the two axes being inclined with res ect to each other, substantially as explaine 5. The combination with the frame arranged to be rotated by the main shaft, of a vessel mounted therein, rotatable around its own axis and supplied with an interior spiral conveyer fixed with respect to its wall and interrupted at intervals, the said vessel being open at both ends and its wall being imperforate.

6. The combination with a vessel rotatable around its axis and having an imperforate wall open at both ends, of an interior spiral conveyor fixed upon the interior of said wall, said conveyer being supplied with open ings at points in its windings for passage of liquids, substantially as and for the purposes tatable frame, means for feeding mixed solids and liquids into one open end of each vessel, each vessel being provided with a spiral conveyer fixed upon its interior for forcing the solid materials to and out at the other open end of the vessel, and means for rotating the liquid is caused to be discharged at the ends of the vessels nearest the feeding tube, substantially as explained.

8. In a centrifugal machine for separating solids from liquids, one or more vessels in which the separation is to take place, each such vessel having an imperforate wall and a discharge opening at each end and being provided with a s iral conveyer fixed on the interior of its wall and receiving the mixed solids and liquids at a point between the open ends, and discharging the liquid at the end nearest the feeding tube and the solids at the other open end, substantially as and for the purposes explained.

In testimony whereof, I have signed my name to this specification in the presence of twosubscribin lg witnesses.

set forth. HEODORE H. MILLER. 7 In a machine of the character herein set Witnesses:

forth, one or more vessels having imperforate H. O. BARKER,

walls rotatably mounted in hearings in a ro- E. A. CONGER.

frame and the vessels therein whereby the 

